213103231230221 has 8 divisors (see below), whose sum is σ = 225996304521024. Its totient is φ = 200249890061760.

The previous prime is 213103231230191. The next prime is 213103231230269. The reversal of 213103231230221 is 122032132301312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213103231230221 - 2¹⁴ = 213103231213837 is a prime.

It is a super-2 number, since 2×213103231230221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103231230821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9933019535 + ... + 9933040988.

It is an arithmetic number, because the mean of its divisors is an integer number (28249538065128).

Almost surely, 2^{213103231230221} is an apocalyptic number.

It is an amenable number.

213103231230221 is a deficient number, since it is larger than the sum of its proper divisors (12893073290803).

213103231230221 is a wasteful number, since it uses less digits than its factorization.

213103231230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866061171.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 213103231230221 its reverse (122032132301312), we get a palindrome (335135363531533).

The spelling of 213103231230221 in words is "two hundred thirteen trillion, one hundred three billion, two hundred thirty-one million, two hundred thirty thousand, two hundred twenty-one".